@keyframes fadeIn {
    0% {
        opacity:0;
     }
    25% {
        opacity:0.25;
    }
    50% {
        opacity: 0.5;    
    }
    75% {
        opacity:0.75;
    }
    100% {
        opacity:1;
    }
}
@keyframes fadeOut {
    0% {
        opacity:1;
     }
    25% {
        opacity:0.75;
    }
    50% {
        opacity: 0.5;    
    }
    75% {
        opacity:0.25;
    }
    100% {
        opacity:0;
    }
}

.anim_fade_in{
 
    animation-name: fadeIn;
    animation-timing-function: ease-in-out;
    animation-iteration-count: 1;
    animation-duration:0.6s;
    animation-direction: alternate;
}

.anim_fade_out{
 
    animation-name: fadeOut;
    animation-timing-function: ease-in-out;
    animation-iteration-count: 1;
    animation-duration:0.6s;
    animation-direction: alternate;
}


.ul-contain {
    list-style-type: none;
    margin: 0 auto;

}
.ul-contain  li {
    float: left;
    margin: 0 auto;
}

#tst{
    display: none;
}
#tst1{
    display: none;
}

#tstB{
    display: none;
}